Emprise

Part of speech: noun (n.)

1. An enterprise; endeavor; adventure. Chaucer. In brave pursuit of chivalrous emprise. Spenser. The deeds of love and high emprise. Longfellow.

2. The qualifies which prompt one to undertake difficult and dangerous exploits. I love thy courage yet and bolt emprise; But here thy sword can do thee little stead. Milton.

Part of speech: verb (v.)

To undertake. [Obs.] Sackville.